Adjustable support surface for holding reference or printout material



FIG. 1 is a perspective view of an adjustable support surface for holding reference or printout material showing out new design;

FIG. 2 is a right side elevational view thereof; and

FIG. 3 is a right side elevational view similar to FIG. 2 with the support surface in an alternate position. 

The ornamental design for an adjustable support surface for holding reference or printout material, as shown and described. 